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 Multiple Choice QuestionsShort Answer Type

401.

 Explain why an alkylamine is more basic than ammonia.

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402.

How would you convert? 

(i) Aniline to nitrobenzene 

(ii) Aniline to iodobenzene

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403.

Write the main products of the following reactions: 


(i)

Products are Benzene, Nitrogen gas, Phosphorous acid and Hydrochloric acid.

(ii)

 

Products is 2,4,6-Tribromoaniline


iii) 

Products are Methanamine, Sodium carbonate, Sodium bromide and Water.

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404.

Complete the following chemical reaction equations:

(i) C6H5N2Cl + H3PO2+ H2O --->

(ii) C6H5NH2+ Br2(aq.)--->

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405.

Describe the following giving the relevant chemical equation in each case:

(i) Carbylamines reaction

(ii) Hofmann’s bromamide reaction.

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406.

Write the IUPAC name of the given compound:

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407.

Write the structures of A, B and C in the following:

straight i right parenthesis space straight C subscript 6 straight H subscript 5 space minus CONH subscript 2 space rightwards arrow with Br subscript 2 divided by aq. KOH on top space straight A space rightwards arrow from 0 minus 5 to the power of 0 straight C to NaNO subscript 2 space plus HCl of space straight B space rightwards arrow with KI on top space straight C

ii right parenthesis space CH subscript 3 minus Cl space rightwards arrow with KCN on top space straight A space rightwards arrow with LiAlH subscript 4 on top space straight B rightwards arrow from increment to CHCl subscript 3 space plus alc. space KOH of space straight C

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408.

Write the chemical equations involved in the following reactions:
i) Hoffmann-bromamide degradation reaction
ii) Carbylamine reaction

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409.

Give reasons for the following:
i) Aniline does not undergo Friedal-Crafts reaction.
ii) (CH3)3N is more basic than (CH3)3N in an aqueous solution.
iii) Primary amines have higher boiling point than tertiary amines.

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410.

Give a chemical test to distinguish between ethylamine and aniline.

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